How to remove AOL mail not receiving emails problem?

I am operating all business deals with the help of AOL mail account. AOL mail is the best emailing service, which is admirably known for the excellent emailing experience. When I try to receive emails through my AOL mail account, I am hardly troubling AOL mail not receiving emails. I am failing to receive emails from an AOL email account. I don’t have much expertise to find out the actual reasons of this technical glitch. As per my technical experience, I am applying my solid resolutions to sort out this error, but nothing is very helpful. So anyone can recommend the smart methods to fix this technical problem.